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L9679P Fiches technique(PDF) 104 Page - STMicroelectronics

No de pièce L9679P
Description  Automotive advanced airbag IC for mid/high end applications
PDF  272 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9679P Fiches technique(HTML) 104 Page - STMicroelectronics

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SPI interfaces
L9679P
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DocID029275 Rev 1
7.3.30
Loops diagnostic configuration command register for high level
diagnostic (LPDIAGREQ)
ID:
38
Type:
R/W
Read:
3800
Write:
0070
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
MOSI
-
XX
X
X
X
X
X
MISO
0
000
00
0
0
0
0
0
DIAG_LEVEL 0
0
0 Diagnostic mode selector
00 N/A - see description above
11 high level mode
HIGH_LEVEL_DIAG_SEL 000 000 000 Selection of high level squib diagnostic
Updated by SSM_RESET or SPI write
000 No diagnostic selected
001 VRCM CHECK
010 Leakage CHECK
011 Short Between Loops CHECK
100 ER cap ESR measure
101 Squib resistance range CHECK
110 Squib resistance measurement
111 FET test
SQP 0
0
0 Squib pin select for all leakage diagnostic
Updated by SSM_RESET or SPI write



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